Developmental Duplication causes duplicate limbs; generally not fatal, but carried by as much as 6% of current Angus sire population.
Beta-agonists shown to increase carcass weight and dressing percentage.
Tyson Fresh Meats, the country's second-largest beef processor, last week banned one of two beta-agonist products fed to U.S. cattle over welfare concerns.
Some progress has been made, but more is needed on the issue of animal disease traceability (ADT), says an expert.
Feed costs account for largest expenditure category with seed and chemical costs making up 27.8% of total crop expenses.
Company says animal welfare concerns prompted indefinite suspension of purchases of cattle fed Zilmax effective Sept. 6.
Despite finalization of USDA's disease traceability rule, Department is "not even close" to goal 48-hour disease traceability, according to top vet.
Livestock Marketing Information Center estimates indicate 1.8% herd contraction; 2.1% fewer beef cows than a year ago.
Dispute settlement panel found that China violated numerous WTO rules in imposing antidumping and countervailing duties on U.S. broiler products.
Episode focused largely on one undercover animal rights operative.